A replica iw371446 is a copy of the IWC Portugieser Chronograph in stainless steel with a blue dial. A good copy matches the 40.9 mm case, the two-register layout with subdials at 12 and 6, and the slim feuille hands. The fastest tells on a bad one are the subdial spacing, the case height, and the movement inside.
What the IW371446 Is
The reference sits in the Portugieser line, IWC's dressy chronograph family with applied Arabic numerals and an open dial. IW371446 pairs a stainless steel case with a blue dial and a blue leather strap. The 3714 generation used calibre 79350, a Valjoux 7750 base reworked in Schaffhausen, running at 28,800 vibrations per hour with a power reserve of roughly 44 hours. Because that base calibre is common and well documented, this reference has been copied in more versions than most Portugieser models.
What to Check on a Replica IW371446
- Case size. The original measures 40.9 mm across and about 12.3 mm thick. Many copies run 41 to 43 mm wide and 13 to 15 mm thick, which changes how the watch sits on the wrist.
- Subdial spacing. Chronograph minutes at 12, small seconds at 6. The two counters should sit close to the centre and mirror the original proportions, not drift toward the edges.
- Dial printing. Check the weight of the brand text, the railroad minute track, and numerals that sit flat against the dial instead of floating above it.
- Hands. Feuille shape with a clean taper, length reaching the minute track, no thick stamped edges or rough polishing.
- Crystal. A light dome with anti-reflective coating. A strong blue tint under daylight is a sign of a cheap crystal.
- Case back. Display back with rotor engraving that matches the reference, not a generic pattern.
- Strap and buckle. Leather with a pin buckle in the right shape and a clean engraving.
Movement Choices in First Copy Watches
Copies of this reference come in three groups. Quartz versions are the least expensive, and the subdials are often printed decoration rather than working counters. Japanese quartz chronograph movements give working pushers and subdials, but the central seconds hand ticks instead of sweeping. Automatic copies use an Asian 7750 clone, which shares its layout with the original calibre and delivers a sweeping seconds hand plus a functioning chronograph.
For most buyers the automatic version is the one worth choosing. Ask the seller which movement is fitted, whether the chronograph starts, stops and resets to zero, and how the pushers feel. Mushy or grinding pushers point to a worn or poorly assembled movement.
Wearability and Daily Use
The Portugieser is a dress chronograph, so it slides under a shirt cuff better than a dive watch. The blue dial reads almost black indoors and brightens in direct sunlight, which makes real photos or a short video far more useful than studio renders. Leather straps wear out before the case does, so plan on a replacement within a year of regular wear. Keep the watch away from pools and showers unless the seller states a water resistance rating and the crown and pushers are properly sealed.
Questions to Ask Before You Buy
- Which movement is inside, and is the chronograph fully functional?
- What are the measured diameter and thickness, not the listed ones?
- Can you send daylight photos of the dial from a low angle?
- Does the dial colour match the reference, or is it a generic blue?
- What is the return policy if the watch arrives with a misaligned subdial?
Is a Replica IW371446 Worth It
If you want the Portugieser chronograph look without original pricing, an automatic copy with a working 7750-based movement gets you closest. Skip quartz if the subdials matter to you, because flat, non-working counters are the first thing a watch person notices. Check case height first, dial print second, and movement third. Those three points decide whether a replica iw371446 feels like a serious watch or a costume piece.